The Youngest Billionaires (Under 45): Mark Zuckerberg Tops the List — July 29, 2026
Published · By News Desk (automated, compiled from live market data)
Mark Zuckerberg closed out July 29, 2026 atop The Youngest Billionaires (Under 45) list, an estimated $237.56B, built primarily on Meta Platforms. Right behind: Brian Chesky and Pavel Durov follow in the next spots, at $14.83B and $13.00B respectively. Combined, the 8 people we track here are worth $280.35B, up $27.44M from the prior session.
Brian Chesky posted the day's biggest gain, adding $175.96M (1.2%) to reach $14.83B (#2). The move traces to Airbnb (ABNB), which climbed 0.39% on the day — most of a billionaire's daily swing simply follows their main stock's share price.
On the other side, Mark Zuckerberg took the day's steepest loss, down $245.00M (0.1%) to $237.56B (#1). The move traces to Meta Platforms (META), which fell 0.07% on the day — most of a billionaire's daily swing simply follows their main stock's share price.
Top 8
- 1Mark Zuckerberg$237.56B
- 2Brian Chesky$14.83B
- 3Pavel Durov$13.00B
- 4Daniel Ek$7.76B
- 5Brian Armstrong$4.86B
- 6Whitney Wolfe Herd$944.63M
- 7Bobby Murphy$700.34M
- 8Evan Spiegel$690.80M
Biggest Gainers
- Brian Chesky+$175.96M (+1.2%)
- Daniel Ek+$127.53M (+1.67%)
- Bobby Murphy+$1.22M (+0.17%)
- Evan Spiegel+$1.16M (+0.17%)
- Whitney Wolfe Herd-$1.13M (-0.12%)
Biggest Losers
- Mark Zuckerberg-$245.00M (-0.1%)
- Brian Armstrong-$32.31M (-0.66%)
- Whitney Wolfe Herd-$1.13M (-0.12%)
- Evan Spiegel+$1.16M (+0.17%)
- Bobby Murphy+$1.22M (+0.17%)
FAQ
- Who is the richest billionaire under 45 on July 29, 2026?
- Mark Zuckerberg, with an estimated net worth of $237.56B.
- Who gained the most net worth on July 29, 2026?
- Brian Chesky added an estimated $175.96M (1.2%), bringing their net worth to $14.83B.
- Who lost the most net worth on July 29, 2026?
- Mark Zuckerberg fell an estimated $245.00M (0.1%), bringing their net worth to $237.56B.
- How many billionaires are on The Youngest Billionaires (Under 45) list?
- 8, with a combined estimated net worth of $280.35B as of July 29, 2026.
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Figures are directional estimates from public stock holdings, not audited valuations, and this site is not affiliated with Forbes.